Descendants of Countess of Ulster Maud of LANCASTER
Abt 1310 - 1377 (~ 67 years)Father: 3rd Earl of Lancaster Henry of LANCASTER (Abt 1281 - 22 Sep 1345)
Mother: Maud DE CHAWORTH (2 Feb 1281/82 - 3 Dec 1322)
Countess of Ulster Maud of LANCASTER (Abt 1310 - 5 May 1377 Bruisyard, Suffolk, England)
3rd Earl of Ulster William Donn DE BURGH (17 Sep 1312 - 6 Jun 1333)
   └─ 4th Countess of Ulster Elizabeth DE BURGH (6 Jul 1332 Carrickfergus, Antrim, Ireland -
    10 Dec 1363 Dublin, Ireland)
    10 Dec 1363 Dublin, Ireland)
    1st Duke of Clarence Lionel of ANTWERP (29 Nov 1338 - 17 Oct 1368)
       └─ 5th Countess of Ulster Philippa of CLARENCE (16 Aug 1355 - 5 Jan 1382)
        3rd Earl of March Edmund MORTIMER (1 Feb 1352 - 27 Dec 1381)(m. 1368)
           └─ Baroness Camoys Elizabeth MORTIMER (12 Feb 1371 Usk, Monmouthshire, England -
            20 Apr 1417 King's Stanley, Gloucestershire, England)
            20 Apr 1417 King's Stanley, Gloucestershire, England)
            Knight Henry PERCY (20 May 1366 Alnwick, Northumberland, England -
            21 Jul 1403 Shropshire, England)
            21 Jul 1403 Shropshire, England)
               └─ Henry PERCY (3 Feb 1394 Alnwick, Northumberland, England -
                22 May 1455 St Albans, Hertfordshire, England) =>
                22 May 1455 St Albans, Hertfordshire, England) =>
                + Countess of Northumberland Eleanor NEVILLE (Abt 1407 Raby, Durham, England -
                1472 St Albans, Hertfordshire, England)(m. Oct 1414 Alnwick, Northumberland, England)
                1472 St Albans, Hertfordshire, England)(m. Oct 1414 Alnwick, Northumberland, England)